TM 9-2320-260-20
Table 2-4. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
42. VEHICLE FAILS TO JUMP START USING BATTERY SLAVE RECEPTACLE
NOTE
This malfunction can be performed for vehicles equipped with
or without engine coolant heater kit. This malfunction covers
vehicles equipped with engine coolant heater kit.
Test 1. Check condition of batteries (malfunction 1, tests 1 and 2).
Test 2. Check voltage output at battery slave receptacle.
Step 1. Open battery slave receptacle.
Step 2. Set multimeter to a range that will measure 24 volts.
Step 3. Touch positive lead of multimeter to positive contact end of battery slave receptacle.
Step 4. Touch negative lead of multimeter to negative contact end of battery slave receptacle.
Voltage should be present.
If voltage is not present, go to test 3.
Test 3. Test continuity of battery slave receptacle leads.
-
Step 1. Set multimeter to RX1 scale.
Step 2. Disconnect lead 49 from battery terminal (positive).
Step 3. Touch positive lead of multimeter to contact end of lead 49 at battery.
Step 4. Touch negative lead of multimeter to contact end of lead 49 at battery slave receptacle.
Continuity should be present.
a. If continuity is present, go to step 5.
b. Replace slave receptacle if continuity is not present (para. 4-56).
Step 5. Disconnect lead 50 from battery slave receptacle and battery ground.
Step 6. Touch positive lead of multimeter to contact end of lead 50 at battery ground.
Step 7. Touch negative lead of multimeter to contact end of lead 50 at battery slave receptacle.
Continuity should be present.
a. If continuity is present, go to malfunction 1.
b. Replace slave receptacle if continuity is not present (para. 4-56).
END OF TESTING!
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